病人抑郁、厌世、以至自杀的状况属于角色行为
A.强化
B.异常
C.冲突
D.减退
E.缺如
参考答案:B
—How is your grandmother, Tom?
—_______. [ ]
A. How are you?
B. She is OK.
C. I'm fine
D.Sorry.
城市土壤中杂填土比例不能超过土壤总量的()